Executive Producer and show runner Marc Guggenheim tells CBR how "Arrow's" growing cast of heroes will and won't change the show in Season 2 as the island gets darker, Oliver gets funnier and secret villains await.

Marc Guggenheim discusses the surprising news that "The Flash" will expand the DC TV Universe on The CW, promising Andrew Kreisberg and Greg Berlanti's new spinoff series won't change what made "Arrow" a hit.

Screenwriter Marc Guggenheim talks with SPINOFF ONLINE about "Percy Jackson: Sea of Monsters," saying the second film in the series works to tell a standalone adventure that defies Harry Potter comparisons.

Summer Glau has reportedly joined the cast of "Arrow's" second season in a recurring adversarial role as Isabel Rochev, the Vice President of Acquisitions for a company hoping to take over Queen Consolidated.

CBR has an exclusive preview of "Arrow" #35, the first chapter of a special story from Executive Producer Marc Guggenheim bridging season 1 and 2 of the hit television series. The digital-first issue hits June 5.